a+b |
2 |
b-2c |
3 |
3c-a |
4 |
5a+6b-7c |
8a+9b |
a+b |
2 |
b-2c |
3 |
3c-a |
4 |
11 |
5 |
21 |
5 |
3 |
5 |
5a+6b-7c |
8a+9b |
-11k+
| ||||
8×(-
|
50 |
101 |
50 |
101 |
xy |
x+y |
yz |
y+z |
zx |
z+x |
1 |
y |
1 |
z |
1 |
x |
a-b |
a+2b |
a2-b2 |
a2+4ab+4b2 |
1 |
4 |
1 |
m |
1 |
m |
ab |
a+b |
1 |
3 |
bc |
b+c |
1 |
4 |
ac |
a+c |
1 |
5 |
1 |
a |
1 |
b |
1 |
c |
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